#!/bin/bash
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
if [ ! -d "60FPS" ]; then
    mkdir 60FPS;
fi
for f in *.mp4;
do
    #Get video FPS
    FRAMERATE=$(exiftool -s -s -s -videoframerate $f);
    #Remove decimals
    FRAMERATE=$(echo ${FRAMERATE%.*});
    #Get video bitrate average
    BITRATEVIDEO=$(ffprobe -v error -select_streams v:0 -show_entries stream=bit_rate -of default=noprint_wrappers=1:nokey=1 $f);
    #Calculate needed bitrate
    BITRATEVIDEO=$(( ( (BITRATEVIDEO / FRAMERATE) * 60) / 1000 ));
    if (( FRAMERATE < 60)); then
        echo "framerate for $f is ${FRAMERATE} so we will convert it.";
        ffmpeg -i $f -b:v ${BITRATEVIDEO}K -c:a copy -filter:v "minterpolate=fps=60:mi_mode=mci:mc_mode=aobmc:me_mode=bidir:vsbmc=1" "60FPS/${f%.mp4}_60fps.mp4";
    else
        echo "framerate for $f is ${FRAMERATE} so we will ignore it.";
    fi
done
IFS=$SAVEIFS